df[2:7, :]

#         A          B          C           D
# ---------  ---------  ---------  ----------
#  1.31828    0.316926   0.970535   0.218061
# -0.18547    0.207064   1.3229    -0.432614
# -0.424018  -1.72759    0.356871   0.206214
#  1.3377     1.10761   -0.280443   0.0964197
# -0.385682   0.190449   0.760816   1.92447
# 
# [5 rows x 4 columns]